16978010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{34649}}^1$

素因数の和:34670

約数の個数: 24

約数和(自身を含む): 35550900

約数和(自身を除く): 18572890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 34649, 69298, 173245, 242543, 346490, 485086, 1212715, 1697801, 2425430, 3395602, 8489005, 16978010]

約数ペア:

[(1, 16978010), (2, 8489005), (5, 3395602), (7, 2425430), (10, 1697801), (14, 1212715), (35, 485086), (49, 346490), (70, 242543), (98, 173245), (245, 69298), (490, 34649)]